@article{AFM_1997_22_1_a0,
     author = {Daniel M. Gallo},
     title = {Deforming real projective structures},
     journal = {Annales Fennici Mathematici},
     pages = {3--14},
     year = {1997},
     volume = {22},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1997_22_1_a0/}
}